Finding the Fourth Proportional to 2,283.59, 3,151.41 and 1,399.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.59 : 3,151.41 = 1,399.07 : x
2. Step 2: Convert to fraction form
   2,283.59/3,151.41 = 1,399.07/x
3. Step 3: Cross multiply
   2,283.59x = 3,151.41 × 1,399.07
4. Step 4: Simplify right side
   2,283.59x = 4,409,045.82
5. Step 5: Solve for x
   x = 4,409,045.82/2,283.59
6. Step 6: Final answer
   x = 1,930.75